Ecology Quiz 220 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Renewable energy

Correct Answer: D) Renewable energy.

2. Biodiversity recognizes all the different .....

Correct Answer: B) All the different species in an ecosystem.

3. Igneous

Correct Answer: C) Solidified lava or magma rock.

4. A food web shows how food chains in a community are interconnected.

Correct Answer: A) True.

5. Stable, final stage of succession

Correct Answer: D) Climax community.

6. A non-native species introduced to a new environment and there are consequences

Correct Answer: A) Invasive species.

7. The branch of biology that deals with the relations of organisms

Correct Answer: C) Ecology.

8. Why is recycling of carbon essential for living organisms?

Correct Answer: B) Carbon is needed to make organic molecules like proteins.

9. One biotic factor that affects in an ocean ecosystem is

Correct Answer: A) Number of autotrophs.

10. Which activity would MOST likely increase soil content in a nearby stream?

Correct Answer: C) Clear-cutting a forest.

11. The average temperature range in the savanna is .....

Correct Answer: B) 68-86*F.

12. Community, a branch of ecology that studies associations

Correct Answer: B) Synecology.

13. Which of these would NOT be found in trophic level 1?

Correct Answer: D) Grasshopper.

14. Which of these processes add carbon dioxide to the atmosphere?

Correct Answer: D) All of the above.

15. An ..... eats both plants and animals.

Correct Answer: B) Omnivore.

16. Legumes are crops like beans or lentils that help return which nutrient back into the soil?

Correct Answer: C) Nitrogen.

17. Kills, hunts, stalks and eats its prey

Correct Answer: A) Carnivore.

18. What would happen if their were no producers?

Correct Answer: B) Everything would die out.

19. ..... are trees that have cones and needle-like leaves.

Correct Answer: B) Conifers.

20. Lions, tigers, and bears .....

Correct Answer: C) Carnivores.